#top-nav *{
        transition: .2s;
    }

    #top-nav {
        position: relative;
        border-bottom: 1px solid #efefef;
    }
    #top-nav header {
        height: 80px;
        border: 0;
        background: #fff;
    }
    #top-nav .icon {
        float: left;
        height: 100%;
        margin: 0 20px 0 10px;

    }
    #top-nav .icon a {
        display: inline-block;
        width: 218px;
        height: 48px;
        margin-top: 16px;
        background: url(../assets/img/logo.png) no-repeat;
        background-size: contain;
    }
    #top-nav .top-nav-content {

    }
    #top-nav .top-nav-content .lang{
        float: right;
        line-height: 80px;
    }
    #top-nav .top-nav-content .lang .am-dropdown-toggle{
        margin: 0;
        background: #f5f5f5;
    }
    #top-nav .top-nav-content .lang .am-dropdown-toggle i{
        display: inline-block;
        width: 20px;
        height: 20px;
        margin-right: 5px;
        vertical-align: middle;
        background: url(assets/img/lang.png) no-repeat;
        background-size: contain;
    }
    #top-nav .top-nav-content .pills{
        float: left;
        font-size: 16px;
        line-height: 80px;
    }
    #top-nav .top-nav-content .pills>li{
        float: left;
        height: 80px;
        margin-right: 30px;
        border-bottom: 4px solid #fff;
    }
    #top-nav .top-nav-content .pills>li>a {
        display: inline-block;
        width: 100%;
        height: 100%;
        color: #333;
    }
    #top-nav .top-nav-content .pills>li.active {
        border-bottom: 4px solid #c00;
    }
    #top-nav .top-nav-content .pills>li.active>a{
        color: #c00;
    }
    #top-nav .top-nav-content a {
        color: #333;
    }
    #top-nav .active a {
        color: #c00;
    }
    #top-nav .top-nav-content .pills>li:hover>a {
        color: #c00;
    }

    #top-nav .top-nav-content .pills .am-dropdown {
        position: static;
    }
    #top-nav .top-nav-content .pills .am-dropdown-content {
        width: 100vw;
        margin: 0;
        padding: 0;
        border-color: #efefef;
    }
    #top-nav .top-nav-content .pills .am-dropdown-content:after,
    #top-nav .top-nav-content .pills .am-dropdown-content:before {
        display: none;
    }
    #top-nav .close-btn {
        float: right;
        height: 50px;
        width: 50px;
        padding: 0;
        line-height: 50px;
        font-size: 24px;
        cursor: pointer;
    }
    #top-nav-drop {
        overflow: hidden;
    }
    #top-nav-drop .second {
        float: left;
        width: 46%;
        margin-bottom: -10000px;
        padding-bottom: 10000px;
        background: #f9f9f9;
        font-size: 16px;
    }
    #top-nav-drop .second .content{
        float: right;
        padding: 34px;
    }
    #top-nav-drop .second .content a{
    }
    #top-nav-drop .second .content a:hover{
        border-bottom-color: #000;
    }
    #top-nav-drop .second .content ul {

    }
    #top-nav-drop .second .content ul li {
        position: relative;
        line-height: 40px;
        padding: 0 25px 0 10px;
        margin-bottom: 10px;
        cursor: pointer;
    }
    #top-nav-drop .second .content ul li a {
        display: inline-block;
        width: 100%;
        height: 100%;
        color: #333;
    }
    #top-nav-drop .second .content ul li span {
        position: absolute;
        top: 0;
        right: 5px;
    }
    #top-nav-drop .second .content ul li:hover,
    #top-nav-drop .second .content ul li.active {
        background: #df0011;
        color: #fff;
    }
    #top-nav-drop .second .content ul li:hover a,
    #top-nav-drop .second .content ul li.active a {
        color: #fff;
    }
    #top-nav-drop .third {
        float: left;
        width: 54%;
        background: #fff;
        font-size: 16px;
    }
    #top-nav-drop .third .content {
        float: left;
        padding: 34px;
    }
    #top-nav-drop .third .content a {
        border-bottom: 1px solid #fff;
        color: #000;
    }
    #top-nav-drop .third .content a:hover {
        border-bottom-color: #000;
    }
    #top-nav-drop .third .content ul {
    }
    #top-nav-drop .third .content ul li {
        line-height: 40px;
        margin-bottom: 10px;
    }
    #top-nav-drop .third .content ul li.title {
        font-size: 26px;
    }
    #hamburger-btn {
        position: absolute;
        right: 0;
        top: 0;
        height: 100%;
        width: 60px;
        line-height: 50px;
        padding: 0;
        margin-top: 0;
        border: 0;
        color: #000;
        font-size: 24px;
        background: none;
    }
    @media screen and (min-width: 641px) and (max-width: 800px) {
        #top-nav .icon {
            margin-right: 10px;
        }
        #top-nav .icon a {
            width: 160px;
            height: 35px;
            margin-top: 23px;
        }
        #top-nav .top-nav-content .pills>li {
            margin-right: 10px;
        }
    }
    @media screen and (max-width: 640px) {
        #top-nav header {
            height: 50px;
        }
        #top-nav .icon {
            float: none;
            text-align: center;
        }
        #top-nav .icon a {
            width: 130px;
            height: 29px;
            margin-top: 11px;
        }
        #top-nav .top-nav-content {
            display: none;
            position: absolute;
            top: 0;
            right: -100%;
            width: 60vw;
            min-width: 200px;
            background: #fff;
            z-index: 3;
        }
        #top-nav .top-nav-content.in{
            right: 0;
        }
        #top-nav .top-nav-content .lang {
            float: none;
            height: 70px;
            border-bottom: 1px solid #e0e0e0;
            line-height: 70px;
        }
        #top-nav .top-nav-content .lang .am-dropdown {
            width: 100%;
            height: 100%;
        }
        #top-nav .top-nav-content .lang .am-dropdown .am-btn {
            width: 100%;
            height: 100%;
            text-align: left;
        }
        #top-nav .top-nav-content .pills {
            width: 100%;
        }
        #top-nav .top-nav-content .pills li {
            float: none;
            height: 70px;
            margin-right: 0;
            padding: 0 5%;
            border-bottom: 1px solid #e0e0e0;
            line-height: 70px;
        }
    }